Cyclosporin£e, Sargass.aceoe, Cys(,o()liyHiiin. ' 153 



teretiuseulo vcl suhaiij^ulato, spiuulis hrovibus ohtusis s})arsiui ve- 

 stito, iutcr rauiulos su})oriores altorua,utos ot distautes ploruiU(|uo 

 llc^xuoso: raniis uu(li([uo c^re(licutil)us va.,!j;is, foliis inferiorihus acu- 

 te-dcutatis, costatis, douse et valdc cous})icue ^daudulosis, c l)asi 

 augusta cuneata late-lanceolatis, supcrioribus sensim angustioribus 

 lineari-lauceolatis, supremis fere omnibus in vesiculas transmuta- 

 tis; vesiculis s?epc solitariis, nonnumquam geminis superpositis.par- 

 vis, ellipticis, conspicue glandulosis, petiolo ipsis aequali vol lon- 

 giore snfttiltis, mucronc lougo, liueari, biseriatim glauduloso vol 

 sa^po parum latiore, denticulato, foliaceo terminatis ; roccptaculis 

 minutis, lanccolatis, in pedunculo subfastigiatim ramoso terminali- 

 bus, levibus. 



Ilab. ad littus occidentale Nova? Hollandige (Mus. Paris.), in 

 mari alto pr. ins. «Montebello» (Askenasy). — Frondes usquc bipe- 

 dales, pennre passcriua; vix crassitiom ?equantes, laxe ubique glandu- 

 lis obsitie, inferne nudre, superue ramis 4-7 cm. longis vage instru- 

 ctae. Vesicula3 in medio folio filiformi formatcC, 3 millim. circ. longa^, 

 petiolo 3 mm.longo suffult;¥, et rostro longiori glanduloso terminatce, 

 e spliserico ellipsoidCcTe, glandulosa^. Receptacula ad latus internum 

 ramulorum superiorum sessilia, singula, ovato-conica, 2 millim. lon- 

 git. pauUum excedentia. 



Cystophyllum trinode (Forsk.) J. Ag. Sp. I, p. 230, Fig. & De Not. 251 

 Alg. Mar Uosso p. 24, Zauard. Pl. mar. Rubri p. 242, n. 33, Cysto- 

 seira trinodis Ag. Sp. p. 67, Syst. p. 286 partim, Fiicus trinodis 

 Forsk. Fl. .Figypt. Arab. p. 192, Delile %ypte t. 54, f. 1, Fucits 

 onustiis /3 trinodis Mert. Mem. p. 12, Sirophysalis trinoclis Kuetz. 

 Sp. p. 603 (saltem pro parte), Tab. Phyc. X, t. 58, f. I. — Caule gra- 

 cili, teretiusculo. verrucoso, apice corymbose-expanso in frondos 

 elongatas filiformes glanduloso-muriculatas pinnato-ramosissimas, 

 ramis undique egredioutibus vagis; vesiculis in ramulo indiviso 

 solitariis, ovoideis aut pluribus contiguis magnitudine decrescenti- 

 bus; receptaculis in ramulo solitariis, sessilibus, ovoideis. 



Hab. in mari Rubro ubique commune (Delile, Bove, Schimper, 

 BoTTA, FoRSKAL, PoRTiER, FiGARi, Zanardini, Piccone). — Ramificatio 

 inferior fere Cystoseiro' discordis. Caiilis nempe pennoe anserina? 

 vix crassitiem [equans. 2-5 cm. long., simplex aut divisus, teretiuscu- 

 lus, levis at verrucosus.apice in froudes numerosas corymbose cxpan- 

 ditur. Frondes juniorcs nmricuIato-liorrida3, foliis primariis lineari- 

 bus coriaceis integerrimis onust», adultiores basi densius, superne 

 laxius muriculata\ iufcrnc nuda:, a medio pinnato-ramosissimoe. Ye- 



